Active NPI
Lisa Ann Ditchek, PSYD
- Psychologist
- Niles, IL
National Provider Identifier
1548220866
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- Practice address
- 241 Golf Mill Center
Ste 401
Niles, IL 60714 - Phone
- (847) 297-5380
- Fax
- (847) 480-9124
- NPI assigned
- Mar 23, 2006
- Last updated
- Jul 13, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychologist | 103T00000X | IL | Primary |
Addresses
Primary practice location
241 Golf Mill Center
Ste 401
Niles, IL 60714
Mailing address
241 Golf Mill Center
Ste 401
Niles, IL 60714
Phone (847) 297-5380
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 7495361 | Other | IL | AETNA |
| 1622646 | Other | IL | BCBS OF IL |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Nov 16, 2023 through Nov 16, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ditchek Psychological Services, PLLC | Current | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Clinical Psychologist
- Park Ridge, IL
- NPI 1679198055
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143072000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1548220866",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "241 GOLF MILL CENTER",
"address_2": "STE 401",
"city": "NILES",
"state": "IL",
"postal_code": "60714",
"telephone_number": "847-297-5380",
"fax_number": "847-480-9124"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "241 GOLF MILL CENTER",
"address_2": "STE 401",
"city": "NILES",
"state": "IL",
"postal_code": "60714",
"telephone_number": "847-297-5380",
"fax_number": "847-480-9124"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DITCHEK",
"first_name": "LISA",
"middle_name": "ANN",
"name_prefix": "Dr.",
"credential": "PSYD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-03-23",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "IL",
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA",
"identifier": "7495361",
"state": "IL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS OF IL",
"identifier": "1622646",
"state": "IL"
}
],
"endpoints": [],
"other_names": []
}Other providers in Niles, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.